F22B 37/58
Removing tubes from headers or drums
Official title: Removing tubes from headers or drums; Extracting tools
F22B37/58 (Removing tubes from headers or drums) appears on 27 US grants and 12 published applications in this corpus.
Search patents in F22B- Granted patents
- 27
- Published applications
- 12
- Assignees
- 10
- Inventors
- 40
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 4 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System for removing and replacing fire-tubes14 Jan 2025US 12,196,413 B2
- Tube transition5 Nov 2024US 12,135,177 B2Viking Vessel Holdings, LLC
- Method of disassembling steam generator5 Dec 2023US 11,835,226 B2Mitsubishi Heavy Industries, Ltd.
- System for removing and replacing fire-tubes24 Jan 2023US 11,561,004 B2Charger Energy Services, LLC
- System and method for removing and replacing fire-tubes14 Sep 2021US 11,118,780 B2Charger Energy Services, LLC
- Method of disassembling steam generator6 Jul 2023US 2023/0213180 A1Mitsubishi Heavy Industries, Ltd.
- Tube Transition15 Jun 2023US 2023/0184497 A1Viking Vessel Holdings, LLC
- System for removing and replacing fire-tubes25 May 2023US 2023/0160570 A1Charger Energy Services, LLC
- System and method for removing and replacing fire-tubes16 Mar 2023US 2023/0084823 A1Charger Energy Services, LLC
- System and method for removing and replacing fire-tubes30 Dec 2021US 2021/0404648 A1Charger Energy Services, LLC
Most cited
By later US patents
- Radiation shield ring assembly and method of disassembling components of a nuclear steam generator using such assembly23US 4,299,658 AWestinghouse Electric Corp. · 1981
- Double grip, relative motion tube puller19US 4,571,802 A1986
- Boiler tube removal apparatus17US 5,974,642 AAdvanced Cutting Technologies, Ltd. · 1999
- Tube bundle removal method and apparatus15US 4,199,857 AWestinghouse Electric Corp. · 1980
- System and method for retubing a steam generator13US 4,173,060 AWestinghouse Electric Corp. · 1979